Semi-quantification

## # A tibble: 38 x 3
##    Compound      Homologue     pattern_CF2CF2
##    <chr>         <chr>         <chr>         
##  1 11Cl-PF3OUdS  9Cl-PF3ONS    smaller       
##  2 4:2 FTS       6:2 FTS       bigger        
##  3 6:2 diPAP     6:2/8:2 diPAP bigger        
##  4 6:2 FTS       4:2 FTS       smaller       
##  5 6:2 FTS       8:2 FTS       bigger        
##  6 6:2/8:2 diPAP 6:2 diPAP     smaller       
##  7 6:2/8:2 diPAP 8:2 diPAP     bigger        
##  8 8:2 diPAP     6:2/8:2 diPAP smaller       
##  9 8:2 FTS       6:2 FTS       smaller       
## 10 9Cl-PF3ONS    11Cl-PF3OUdS  bigger        
## # ... with 28 more rows